73907120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{487}}^1$

素因数の和:778

約数の個数: 80

約数和(自身を含む): 197511168

約数和(自身を除く): 123604048

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 271, 280, 487, 542, 560, 974, 1084, 1355, 1897, 1948, 2168, 2435, 2710, 3409, 3794, 3896, 4336, 4870, 5420, 6818, 7588, 7792, 9485, 9740, 10840, 13636, 15176, 17045, 18970, 19480, 21680, 27272, 30352, 34090, 37940, 38960, 54544, 68180, 75880, 131977, 136360, 151760, 263954, 272720, 527908, 659885, 923839, 1055816, 1319770, 1847678, 2111632, 2639540, 3695356, 4619195, 5279080, 7390712, 9238390, 10558160, 14781424, 18476780, 36953560, 73907120]

約数ペア:

[(1, 73907120), (2, 36953560), (4, 18476780), (5, 14781424), (7, 10558160), (8, 9238390), (10, 7390712), (14, 5279080), (16, 4619195), (20, 3695356), (28, 2639540), (35, 2111632), (40, 1847678), (56, 1319770), (70, 1055816), (80, 923839), (112, 659885), (140, 527908), (271, 272720), (280, 263954), (487, 151760), (542, 136360), (560, 131977), (974, 75880), (1084, 68180), (1355, 54544), (1897, 38960), (1948, 37940), (2168, 34090), (2435, 30352), (2710, 27272), (3409, 21680), (3794, 19480), (3896, 18970), (4336, 17045), (4870, 15176), (5420, 13636), (6818, 10840), (7588, 9740), (7792, 9485)]